[Buildroot] [PATCH] libssh: fix cross compile with older cmake

Yann E. MORIN yann.morin.1998 at free.fr
Wed Aug 22 22:09:52 UTC 2018


Bruch, All,

On 2018-08-23 00:58 +0300, Baruch Siach spake thusly:
> Old version of cmake break cross-compilation when FindThreads is used
> because of a try_run call. Add a workaround that avoids try_run.
> 
> cmake bug report: https://gitlab.kitware.com/cmake/cmake/issues/16920
> 
> Should fix:
> http://autobuild.buildroot.net/results/8aa/8aa2bd894416a4508ca7140f8947ff46243f8b78/
> http://autobuild.buildroot.net/results/f2c/f2cc965bb134bf4fd9e625eb267b67c949c202fc/
> 
> Cc: Scott Fan <fancp2007 at gmail.com>
> Signed-off-by: Baruch Siach <baruch at tkos.co.il>
> ---
> Hi Peter, Yann,
> 
> Can one of you test this fix on one of the affected autobuilders?
> 
>   http://autobuild.buildroot.net/?reason=libssh-0.8.1

My autobuilder does not have cmake installed, so will use or own
host-cmake, as can be seen in the failure on my autobuilder:
    http://autobuild.buildroot.net/results/f2c/f2cc965bb134bf4fd9e625eb267b67c949c202fc/build-end.log

    [...] /home/buildroot/autobuild/run/instance-3/output/host/bin/cmake [...]

So I guess you can test on a machine that does not have cmake installed.

But I'll spin a test on my autobuilder in a moment, and report back...

Regards,
Yann E. MORIN.

> Thanks,
> baruch
> ---
>  package/libssh/libssh.mk | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/package/libssh/libssh.mk b/package/libssh/libssh.mk
> index 4295aa42ee3b..635d72ad9868 100644
> --- a/package/libssh/libssh.mk
> +++ b/package/libssh/libssh.mk
> @@ -17,6 +17,9 @@ LIBSSH_CONF_OPTS = \
>  	-DWITH_SERVER=OFF \
>  	-DWITH_EXAMPLES=OFF
>  
> +# cmake older than 3.10 require this to avoid try_run() in FindThreads
> +LIBSSH_CONF_OPTS += -DTHREADS_PTHREAD_ARG=OFF
> +
>  ifeq ($(BR2_PACKAGE_ZLIB),y)
>  LIBSSH_CONF_OPTS += -DWITH_ZLIB=ON
>  LIBSSH_DEPENDENCIES += zlib
> -- 
> 2.18.0
> 

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